the treatment advocacy center and author of the "insanity offense" how america's failure it treat the seriously mentally ill is endangering its citizens. doctor torrey. welcome here. and you've written you're not against guns, but people's access. how many people are we talking about across the united states. >> it's a gun problem and a mental illness problem and 7 million at any given time, of these, half are not being treated at any given time and about 1% or 70,000 are potentially dangerous at any given time and we're not treating those people. >> paul: how do we get around to treating them? we don't know, for example, that adam lanza really was mentally ill. we haven't seen if -- we don't know if there was a formal diagnosis so how do we